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Analyzing the impact of urban planning and building typologies in urban heat island mitigation

Kolokotsa Dionysia, Lilli Aikaterini, Gobakis Konstantinos, Mavrigiannaki Angeliki, Haddad Shamila, Garshasbi Samira, Mohajer Hamed Reza Heshmat, Paolini Riccardo, Vasilakopoulou Konstantina, Bartesaghi-Koc Carlos, Prasad Deo, Santamouris, Matheos, 1956-

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URIhttp://purl.tuc.gr/dl/dias/F8193B89-C9AC-4243-BEB8-A7503F91C712-
Identifierhttps://doi.org/10.3390/buildings12050537-
Identifierhttps://www.mdpi.com/2075-5309/12/5/537-
Languageen-
Extent27 pagesen
TitleAnalyzing the impact of urban planning and building typologies in urban heat island mitigationen
CreatorKolokotsa Dionysiaen
CreatorΚολοκοτσα Διονυσιαel
CreatorLilli Aikaterinien
CreatorΛιλλη Αικατερινηel
CreatorGobakis Konstantinosen
CreatorΓομπακης Κωνσταντινοςel
CreatorMavrigiannaki Angelikien
CreatorΜαυριγιαννακη Αγγελικηel
CreatorHaddad Shamilaen
CreatorGarshasbi Samiraen
CreatorMohajer Hamed Reza Heshmaten
CreatorPaolini Riccardoen
CreatorVasilakopoulou Konstantinaen
CreatorBartesaghi-Koc Carlosen
CreatorPrasad Deoen
CreatorSantamouris, Matheos, 1956-en
PublisherMDPIen
Content SummaryUrban and building typologies have a serious impact on the urban climate and determine at large the magnitude of the urban overheating and urban heat island intensity. The present study aims to analyze the impact of various city typologies and urban planning characteristics on the mitigation of the urban heat island. The effect of the building height, street width, aspect ratio, built area ratio, orientation, and dimensions of open spaces on the distribution of the ambient and surface temperature in open spaces is analyzed using the Sydney Metropolitan Area as a case study for both unmitigated and mitigated scenarios. Fourteen precincts are developed and simulated using ENVI-met the simulation tool. The ambient temperature, surface temperature, and wind speed are extracted. The parameter ‘Gradient of the Temperature Decrease along the Precinct Axis’ (GTD) is introduced to study the cooling potential of the various precincts. In the mitigated precincts, the GTD ranges between 0.01 K/m to 0.004 K/m. In the non-mitigated precincts, the GTD ranges between 0.0093 K/m to 0.0024 K/m. A strong correlation is observed between the GTD of all the precincts, with and without mitigation, and their corresponding average aspect ratio, (Height of buildings to Width of streets). The higher the aspect ratio of the precinct, the lower the cooling potential. It is also observed that the higher the Built Area Ratio of the precincts, the lower the cooling contribution of the mitigation measures.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2024-04-22-
Date of Publication2022-
SubjectUrban climateen
SubjectUrban heat islanden
SubjectUrban heat island mitigationen
SubjectCool materialsen
SubjectUrban greenen
Bibliographic CitationD. Kolokotsa, K. Lilli, K. Gobakis, A. Mavrigiannaki, S. Haddad, S. Garshasbi, H. R. H. Mohajer, R. Paolini, K. Vasilakopoulou, C. Bartesaghi, D. Prasad and M. Santamouris, “Analyzing the impact of urban planning and building typologies in urban heat island mitigation,” Buildings, vol. 12, no. 5, Apr. 2022, doi: 10.3390/buildings12050537.en

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